Question

There are $32$ students in a class of which $12$ are girls. Find:
(i) the ratio of number of boys to number of girls
(ii) the ratio of number of boys to total number of students.

Answer 1

Boys$=32-12=20$

(i) $\frac{20}{12}=\frac{5}{3}$

(ii) $\frac{20}{32}=\frac{5}{8}$.